NKO Atomic Clock

Current time in milliseconds unit, dday remaining time calculator, elapsed time, stopwatch, server time checker

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우리말 English

https://www.nasa.gov/ server time check history

  • 2022-01-17 11:11:35 KST -19354.504416
  • 2019-08-06 14:50:39 KST -2284961.221412
  • 2018-10-31 07:18:17 KST -0.026068
  • 2018-08-11 13:52:30 KST 0.243209
  • 2018-06-15 09:19:09 KST 0.065032
  • 2018-05-14 12:20:31 KST 0.008963
  • 2018-05-03 20:45:36 KST 0.284899
  • 2018-04-26 19:50:18 KST -0.083979
  • 2018-04-07 05:40:44 KST -0.050370
  • 2018-03-16 18:34:30 KST -0.086303
  • Average -230431.5370445

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We fetch a server clock and let you see

Webservers transmit their time in seconds unit, so without special treatment, the maximum error would be as big as 1 second. NKO Atomic Clock calculates a server time more than ten times in 1 second and seize the moment when the second changes. Thus we can minimize the calculation error as small as 0.1 second. Moreover, delays between our server and a destination server are considered so the accuracy of time increases.

NKO supports the HTTPS protocol and subdomains

Some servers use different servers over protocols or subdomains. You can get a desired result by specifying more details.


# You need to tell us an exact server address. For example, some sites host differently by whether the address begin with WWW or not.

# Even if your computer clock isn't synchronized, NKO always will display correct time.

# If you click a numeric time error in the history view, the clock will use that measurement.

# The results can have quite much error if the destination server is under load balancing. Please refer to a variance in the server time history information.

# A particular service uses its own time clock, different with web servers' clock. in this case, server time guessing is not meaningful.